A taxonomic revision of Tridrepana Swinhoe, 1895 in China, with descriptions of three new species (Lepidoptera, Drepanidae) Author Song, Wenhui Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101 China & Graduate University of Chinese Academy of Sciences, Beijing 100049 China. E-mail: songwh @ ioz. ac. cn Author Xue, Dayong Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101 Author Han, Hongxiang Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101 hanhx@ioz.ac.cn text Zootaxa 2011 2011-09-12 3021 39 62 journal article 1175-5326 Tridrepana hainana Chu & Wang, 1988 Figs 40–41 , 76 , 99 , 119–120 Tridrepana hainana Chu & Wang, 1988 , Acta Entom. Sinica , 31 (2): 207, fig. 5, pl.1: 10. Holotype ♂ , China : Hainan : Jianfeng. (IZCAS) Diagnosis. This species is close to T. crocea on both external and male genitalic features. But in T. hainana , the socii are longer; the dorsal part of the gnathos is much broader and concave medially, with long hairs, while it is semicircular with short spines in T. crocea ; the anellus is slender, with the basal branches thinner and less sclerotized than in T. crocea , the middle of the anellus bears an acute process, and the end of the anellus has a pair of triangular processes, both of them pointed ventrally; the posterior margin of the eighth tergite is concave and with two pointed tines in T. hainana , but rounded in T. crocea ; the posterior margin of the eighth sternite is round in T. hainana but bell-like and concave in T. crocea . Material examined. CHINA , Hainan : Jianfeng , 28.IV.1978 , 1♂ ( Holotype ); Ledong, Jianfengling, Yulingu, 746 m , 19.V.2009 , coll. Yan Keji , 1♂ ( IZCAS ) . Distribution. China ( Hainan ).